M80C196KB

SFR BIT SUMMARY

A summary of the SFRs which control IO functions has been included in this section The summary is

separated into a list of those SFRs which have changed on the M80C196KB and a list of those which have

remained almost the same

The following M80C196KB SFRs are different than those on the M8096BH

(The Read and Write comments indicate the register’s function in Window 0 unless otherwise specified)

SBUF(TX)

Now double buffered

07h

write

Uses new Baud Rate Values

BAUD RATE

0Eh

write

SP

STAT

76543210

RB8

RI

TI

FE

TXE

OE

X

X

RPE

11h

RPE

Receive Parity Error

read

RI

Receive Indicator

TI

Transmit Indicator

FE

Framing Error

TXE

Transmitter Empty

OE

Receive Overrun Error

IPEND1

76543210

IMASK1

NMI

FIFO EXT

T2

T2

HSI4

RI

TI

FULL INT

OVF CAP

12h13h

NMI

Non-Maskable Interrupt (set to 0 for future compatibility)

readwrite

FIFO FULL HSIO FIFO full

EXTINT

External Interrupt Pin

T2OVF

Timer2 Overflow

T2CAP

Timer2 Capture

HSI4

HSI has 4 or more entries in FIFO

RI

Receive Interrupt

TI

Transmit Interrupt

17